Image Converter

Converts between PNG, JPEG, and WebP, with optional resizing. Runs entirely in your browser via the Canvas API — the image is never uploaded anywhere, it never leaves your device.

Why WebP is usually smaller

WebP typically produces smaller files than JPEG at equivalent visual quality because it uses a more modern compression scheme (based on the intra-frame coding from the VP8 video codec). PNG stays lossless regardless of the quality slider — that control only affects JPEG and WebP, since PNG compression has no quality/size tradeoff to make.